/*
 * //校验手机号
*/
export function isvalidPhone(phone) {
  const reg = /^[1][3,4,5,6,7,8,9][0-9]{9}$/
  return reg.test(phone)
}

/*
 * //校验邮箱
*/
export function validEmail(email) {
  const reg = /^[a-zA-Z0-9_.-]+@[a-zA-Z0-9]+(\.[a-zA-Z0-9-]+)*\.[a-zA-Z0-9]{2,6}$/
  return reg.test(email)
}

//判断字段是否为空
export function isEmpty(v) {
  switch (typeof v) {
  case 'undefined':
      return true;
  case 'string':
      if (v.replace(/(^[ \t\n\r]*)|([ \t\n\r]*$)/g, '').length == 0) return true;
      break;
  case 'number':
      if (isNaN(v)) return true;
      break;
  case 'object':
      if (null === v || v.length === 0) return true;
      for (var i in v) {
          return false;
      }
      return true;
  }
  return false;
}

//判断对象是否为空
export function isEmptyObject(obj) {
  if (JSON.stringify(obj) == '{}') {
    return true
  } else {
    return false
  }
}

// 日期格式化
export function parseTime(time, pattern) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = pattern || '{y}-{m}-{d} {h}:{i}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    } else if (typeof time === 'string') {
      time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm),'');
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') {
      return ['日', '一', '二', '三', '四', '五', '六'][value]
    }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}


